1 files changed, 17 insertions, 0 deletions
diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index ffcee80ca3..aabe1464b1 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -100,6 +100,23 @@ class TestException < Test::Unit::TestCase
     assert_include(err, bug9568.to_s)
   end
 
+  def test_errinfo_encoding_in_debug
+    exc = Module.new {break class_eval("class C\u{30a8 30e9 30fc} < RuntimeError; self; end".encode(Encoding::EUC_JP))}
+    exc.inspect
+
+    err = EnvUtil.verbose_warning do
+      assert_raise(exc) do
+        $DEBUG, debug = true, $DEBUG
+        begin
+          raise exc
+        ensure
+          $DEBUG = debug
+        end
+      end
+    end
+    assert_include(err, exc.to_s)
+  end
+
   def test_break_ensure
     bad = true
     while true